名校
1 . 已知函数
.
(1)讨论
的单调性;
(2)若
,
为函数
的两个零点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec072b46ae8021d7b52d40499a63397.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a93969738a9bb969f40cf587f1d5d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8917c45931963c23130ef0356cd4bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/842b78a0636a1275db4c0014be88f276.png)
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名校
2 . 已知函数
.
(1)当
时,讨论
的单调性;
(2)若
是
的两个极值点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/774d43498b111ed9b5bafaa3fe8818d2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e1e62266f846674d6837fbff34e42a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6655c90990e13cac00d36d671272c69b.png)
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3 . 已知函数
,其中
.
(1)若
,证明:
时,
;
(2)若函数
在其定义域内单调递增,求实数
的值;
(3)已知数列
的通项公式为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc918d83961931831f58ee6ee88ce37f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3647a896689efaec8ae89cad1cd845d5.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4633de9335d15d7685bdecb007a3678c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd30509fe23160914e2cea22efe4b101.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ccc81f3cbaab5987151e4235b3600f8.png)
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2024-06-08更新
|
246次组卷
|
2卷引用:安徽省蚌埠市2024届高三第四次教学质量检查考试数学试题
名校
解题方法
4 . 已知函数
.
(1)当
时,求
的最小值;
(2)①求证:
有且仅有一个极值点;
②当
时,设
的极值点为
,若
.求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2efe2b4b78548b27554a16f30cbbda8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c04c105ef35ea19d5a74738079e758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ae1942a92849b7de5cf879777bf5868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0821dd73cd58f5b7dc26dbea4b7eed29.png)
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2024-06-08更新
|
625次组卷
|
3卷引用:四川省南充市2024届高三高考适应性考试(三诊)文科数学试题
5 . 已知正项数列
的前
项和为
,首项
.
(1)若
,求数列
的通项公式;
(2)若函数
,正项数列
满足:
.
(i)证明:
;
(ii)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e4898f6fbd7cd6e390445986e9c064.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07228a99e3ab0cc415fb112de8faa386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c12f03aa95bcda926c896f13f3181f.png)
(i)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1029fc2a0c4bb905ad2c5d63208feb56.png)
(ii)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a00229b768bd3915319faefaa713043.png)
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解题方法
6 . 已知函数
.
(1)求函数
的最小值;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6ae309841b3cffa828d8b1537f6ed81.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c7914c666a4e4dc6a0ff76f01c47d6.png)
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解题方法
7 . 已知函数
.
(1)若
对
恒成立,求实数a的取值范围;
(2)若曲线
与x轴交于A,B两点,且线段AB的中点为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ddf36d2a0d775c08be486a3420b68b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6a8984aa398bf767ccd9a601d77983.png)
(2)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a9cc958b3fd9d03138be8e204061837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f702bfe1a376398286f1dc3daf8c67.png)
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8 . 已知函数
,其中e为自然对数的底数,下列选项正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99657b7b7f602075bb3bc46fe58ba90f.png)
A.若函数![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.若![]() ![]() |
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名校
解题方法
9 . 已知直线
与曲线
相交于不同两点
,
,曲线
在点M处的切线与在点N处的切线相交于点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8198c3b302b3820e86763428eb1e91cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3463ced6030af957f13f9ba05b977c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
10 . 已知函数
,
为
的反函数,若
、
的图像与直线
交点的横坐标分别为
,
,则下列说法正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6263576e5c3f2324a8dac311476bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-06-03更新
|
490次组卷
|
2卷引用:2024届湖北省高三普通高中5月联合质量测评数学试卷